Condensed Consolidated Statements Of Operations (USD $) In Thousands, except Per Share data	3 Months Ended
	Jun. 30, 2011	Jun. 30, 2010
Condensed Consolidated Statements Of Operations
Revenue	$ 22,408	$ 24,561
Cost of sales	12,148	13,904
Gross margin	10,260	10,657
Operating expenses:
Selling and administrative	9,962	10,574
Provision for doubtful accounts	52	117
Total operating expenses	10,014	10,691
Income (loss) from operations	246	(34)
Other income:
Interest income, net	110	94
Total other income	110	94
Income before income taxes	356	60
Benefit for income taxes	(43)	(27)
Net income	$ 399	$ 87
Basic net income per share	$ 0.04	$ 0.01
Diluted net income per share	$ 0.03	$ 0.01
Shares used in per share calculations:
Basic	11,311	10,725
Diluted	11,503	11,226